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A303542 as a simple table

na(n)
20
31
43
519
697
7678
85098
952170
10582342
118221455
12125339157
132312227461
1445664819407
151056675718876
1626022340062564
17734233350312484
1821939269071805596
19738213020202917421
2026196923530426606903
211032994592794340235015
2242808941242555092330701

[0,1,3,19,97,678,5098,52170,582342,8221455,
 125339157,2312227461,45664819407,1056675718876,
 26022340062564,734233350312484,21939269071805596,
 738213020202917421,26196923530426606903,
 1032994592794340235015,42808941242555092330701]